Most effective when used in applications requiring large diameters, high strength and light weight. Heat-treated and formed from medium carbon steel. Designed to be used with Grade 8 bolts.

Applications: Large diameter requirements used in high strength heavy industry applications, Full Collar and Thin Collar designs. Popular in the hydraulics industry.

Grade C - FULL / THIN

All plating types are available for our products, including:

  • phosphate & oil;
  • cadmium;
  • trivalent/hexavalent zinc; and,
  • automotive organic finishes.

As a final coat, all products are coated with a U.V. traceable wax fluid to control torque-tension relationships. Certification is available upon request.

Technical Assistance

Customers can also take advantage of Locknut Technology's technical application expertise. Engineering assistance is available pertaining to use, application, grades, types of locknuts, plating, torque specs, etc. Many new fastener buyers have been guided by Locknut's help--insuring that they procure the correct part for their customer's application. Request a quote, , or call us at (630) 628-5330.